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Flights from St. Louis to Boston
Cheap flight deals from St. Louis to Boston
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopSTL 2:20 PM2h 44mNonstopBOS 6:04 PMSt. Louis - Boston | Sat, May 10 | American AirlinesBOS 6:30 AM3h 10mNonstopSTL 8:40 AMBoston - St. Louis | Sun, May 11 | American AirlinesPHP 17,364 PHP 20,44515% OFF15% OFFPHP 20,445 PHP 17,364
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STL 12:50 PM2h 35mNonstopBOS 4:25 PMSt. Louis - Boston | Sat, May 10 | Southwest AirlinesBOS 7:20 AM2h 55mNonstopSTL 9:15 AMBoston - St. Louis | Sun, May 11 | Southwest AirlinesPHP 18,196 PHP 20,44511% OFF11% OFFPHP 20,445 PHP 18,196
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STL 10:17 AM8h 52m1 stopsBOS 8:09 PMSt. Louis - Boston | Fri, May 2 | American AirlinesBOS 3:51 PM9h1 stopsSTL 11:51 PMBoston - St. Louis | Mon, May 5 | American AirlinesPHP 11,252 PHP 20,44545% OFF45% OFFPHP 20,445 PHP 11,252
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STL 4:57 PM7h 2m1 stopsBOS 12:59 AMSt. Louis - Boston | Fri, Apr 18 | Frontier AirlinesBOS 6:00 AM19h 4m1 stopsSTL 12:04 AMBoston - St. Louis | Fri, Apr 25 | Frontier AirlinesPHP 11,33745% OFFPHP 20,445 PHP 11,337
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STL 6:45 AM4h 15m1 stopsBOS 12:00 PMSt. Louis - Boston | Tue, Apr 29 | Delta Air LinesBOS 6:47 PM5h 51m1 stopsSTL 11:38 PMBoston - St. Louis | Tue, Apr 29 | Delta Air LinesPHP 11,43944% OFFPHP 20,445 PHP 11,439
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STL 6:00 AM5h 34m1 stopsBOS 12:34 PMSt. Louis - Boston | Wed, Apr 23 | Delta Air LinesBOS 5:40 AM7h 1m1 stopsSTL 11:41 AMBoston - St. Louis | Wed, Apr 30 | Delta Air LinesPHP 11,54744% OFFPHP 20,445 PHP 11,547
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STL 10:17 AM10h 49m1 stopsBOS 10:06 PMSt. Louis - Boston | Thu, May 1 | American AirlinesBOS 3:51 PM9h1 stopsSTL 11:51 PMBoston - St. Louis | Mon, May 5 | American AirlinesPHP 11,57143% OFFPHP 20,445 PHP 11,571
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STL 6:00 AM6h 19m1 stopsBOS 1:19 PMSt. Louis - Boston | Tue, May 20 | Delta Air LinesBOS 8:05 AM7h 30m1 stopsSTL 2:35 PMBoston - St. Louis | Wed, May 28 | Delta Air LinesPHP 11,74243% OFFPHP 20,445 PHP 11,742
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STL 5:29 PM6h 16m1 stopsBOS 12:45 AMSt. Louis - Boston | Mon, May 5 | United AirlinesBOS 11:58 AM13h 8m1 stopsSTL 12:06 AMBoston - St. Louis | Sat, May 10 | Frontier AirlinesPHP 12,48839% OFFPHP 20,445 PHP 12,488
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STL 4:57 PM6h 50m1 stopsBOS 12:47 AMSt. Louis - Boston | Thu, Apr 17 | Frontier AirlinesBOS 6:00 AM18h 46m1 stopsSTL 11:46 PMBoston - St. Louis | Mon, Apr 21 | Frontier AirlinesPHP 12,59738% OFFPHP 20,445 PHP 12,597
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STL 4:05 PM8h 2m1 stopsBOS 1:07 AMSt. Louis - Boston | Fri, Apr 18 | Delta Air LinesBOS 10:45 AM6h 41m1 stopsSTL 4:26 PMBoston - St. Louis | Thu, Apr 24 | Delta Air LinesPHP 13,12636% OFFPHP 20,445 PHP 13,126
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STL 5:00 AM9h 10m1 stopsBOS 3:10 PMSt. Louis - Boston | Tue, May 13 | American AirlinesBOS 6:00 AM19h 6m1 stopsSTL 12:06 AMBoston - St. Louis | Fri, May 16 | Frontier AirlinesPHP 13,36735% OFFPHP 20,445 PHP 13,367
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STL 1:00 PM17h 25m1 stopsBOS Invalid DateSt. Louis - Boston | Sat, Apr 19 | Normal AirlineBOS 3:00 PM6hNonstopSTL 4:00 PMBoston - St. Louis | Mon, Apr 21 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopSTL 9:12 AM2h 43mNonstopBOS 12:55 PMSt. Louis - Boston | Wed, Apr 30 | American AirlinesPHP 8,787 PHP 10,72018% OFF18% OFFPHP 10,720 PHP 8,787
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STL 8:15 AM2h 35mNonstopBOS 11:50 AMSt. Louis - Boston | Tue, Apr 22 | Southwest AirlinesPHP 9,541 PHP 10,72011% OFF11% OFFPHP 10,720 PHP 9,541
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STL 6:00 AM6h 38m1 stopsBOS 1:38 PMSt. Louis - Boston | Thu, Apr 17 | Delta Air LinesPHP 5,630 PHP 10,72047% OFF47% OFFPHP 10,720 PHP 5,630
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STL 5:45 PM13h 50m1 stopsBOS 8:35 AMSt. Louis - Boston | Tue, Jun 3 | Frontier AirlinesPHP 5,67747% OFFPHP 10,720 PHP 5,677
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STL 6:00 AM5h 18m1 stopsBOS 12:18 PMSt. Louis - Boston | Tue, Jun 3 | Delta Air LinesPHP 5,85545% OFFPHP 10,720 PHP 5,855
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STL 6:00 AM7h 50m1 stopsBOS 2:50 PMSt. Louis - Boston | Tue, May 6 | Delta Air LinesPHP 5,94945% OFFPHP 10,720 PHP 5,949
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STL 6:00 AM8h 10m1 stopsBOS 3:10 PMSt. Louis - Boston | Wed, May 21 | American AirlinesPHP 6,16642% OFFPHP 10,720 PHP 6,166
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STL 5:45 PM13h 55m1 stopsBOS 8:40 AMSt. Louis - Boston | Thu, May 22 | Frontier AirlinesPHP 6,17442% OFFPHP 10,720 PHP 6,174
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STL 5:00 AM9h 10m1 stopsBOS 3:10 PMSt. Louis - Boston | Tue, May 13 | American AirlinesPHP 6,21342% OFFPHP 10,720 PHP 6,213
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STL 6:00 AM6h 50m1 stopsBOS 1:50 PMSt. Louis - Boston | Sat, May 10 | Delta Air LinesPHP 6,34541% OFFPHP 10,720 PHP 6,345
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STL 4:57 PM6h 50m1 stopsBOS 12:47 AMSt. Louis - Boston | Sun, Apr 20 | Frontier AirlinesPHP 6,36941% OFFPHP 10,720 PHP 6,369
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STL 5:40 PM6h 37m1 stopsBOS 1:17 AMSt. Louis - Boston | Fri, May 9 | Delta Air LinesPHP 6,45440% OFFPHP 10,720 PHP 6,454
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STL 1:00 PM17h 25m1 stopsBOS Invalid DateSt. Louis - Boston | Sat, Apr 19 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
When is the cheapest time to fly from St. Louis to Boston?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from St. Louis (STL) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from St. Louis to Boston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from St. Louis (STL) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around PHP 21,197. -
How long does it take to fly from St. Louis (STL) to Boston (BOS) and what is the distance?
It takes around 2 hours 37 minutes to fly from St. Louis (STL) to Boston (BOS). -
What are the most popular airlines that fly from St. Louis (STL) to Boston (BOS)?
Airlines with flights from St. Louis (STL) to Boston (BOS): American Airlines, Qatar Airways, Southwest Airlines and Iberia.
How to find a cheap flight from St. Louis to Boston
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Boston. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
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Look Out for Deals
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Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
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Flight Info | St. Louis to Boston
Cheapest one-way flight price | PHP 5,629 |
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Cheapest round-trip ticket price | PHP 14,199 |
Off-season for travel | February |
Peak season for travel | June |
Flight distance | 1,670.94 km |
Average flight time | 2 hours 37 minutes |
Popular airline | Delta Air Lines |
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